2.0.0

Remove

• Drop Node.js 8 support. The minimal supported version is now 10.

Add

• FormData#{set,append}() now takes an optional 4th (or 3rd) argument – options:

  type Options = {
    size?: number,
    type?: string,
    lastModified?: number,
    filename?: string
  }

  This argument is used to put additional information for stream values.
  Streams will be considered as a File-ish objects when this option is set.
  If given value is Buffer, Blob-ish or File-ish object, its own properties will be used to get the size.

Update

• FormData now stores Buffer and Blob-ish objects like a File-ish.
  So, when you use the FormData#{get,getAll}() methods or iterate through FormData values
  you will get File-ish object instead of Blob, File, Buffer and streams:

  import fs from "fs"
  
  import FormData from "formdata-node"
  import Blob from "fetch-blob"
  
  const fd = new FormData()
  
  fd.set("buffer", Buffer.from("I beat Twilight Sparkle and all I got was this lousy t-shirt"))
  fd.get("buffer") // -> File
  
  fd.set("blob", new Blob(["I beat Twilight Sparkle and all I got was this lousy t-shirt"], {type: "text/plain"}))
  fd.get("blob") // -> File
  
  // The "size" option required for stream values if you want them to be set as a File
  fd.set("readStream", fs.createReadStream("/path/to/some/file.txt"))
  fd.get("readStream") // -> ReadStream
  
  fd.set("readStream", fs.createReadStream("/path/to/some/file.txt"), {
    size: fs.statSync("/path/to/some/file.txt").size
  })
  
  fd.get("readStream") // -> File

• Fix a typo in default content-type value 51e01a7;

• Fix for a field content-type header #8 (dfd5ad1);

• Improve error messaging and arguments checking for FormData#{set,append}() methods.

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All changes: v1.8.1...v2.0.0